and i think a lot of these will spin out of the clean energy industry. sustained government investment in industries of the future, i think, is important. >> i was going to say if china is becoming more expensive because people are asking for higher wages, didn't we see the same thing when japan was a low-wage country, hong kong, isn't there always going to be a country like bangladesh with lower wages that production will shift, too? >> possibly, except china is so much a category of its own. the scale is the biggest in the world. the infrastructure is unique. you want to move things to burma, you have new airports in burma, you have no ports, no supply base. and so there is a particular category that china has. they are working out their problems. part is moving to china. but, also, i think things will come back to the u.s., too. >> so, sam was talking about clean energy. >> yep. >> and we've certainly seen barnicle talk for some time how the united states needs to catch up with china. they're making a huge investment. but let's talk about dirty energy